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furnace filters, furnace filters replacement, filters replacement

Do you know how many times a year you should be changing your furnace filters? Let’s be honest, most of us don’t even think about changing the furnace filters in our heating and air conditioning system. Filter replacement frequency depends on multiple factors including:

  • the rating of the filter
  • pets in your home
  • if you have had your ducts cleaned regularly

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If you install an air purification system like The Protector then you will need to replace your filters even more frequently because they bind the very small particulates in your air together to make them big enough for the filter to catch.

Minimum Efficiency Reporting Value (MERV) Rating is the measurement of how effectively your filter catches particles, germs, odor particulates, and other air impurities. The Chart below shows the typical applications and contaminants removed with each MERV rating.  At Miller’s we offer MERV 8, 10, 11, and 16 filters. We can also special order any other rating of filter on the market.

Furnace Filters Replacement

Recommended furnace filters replacement is as follows: MERV 8 every 3-4 months, MERV 10 and 11 every 6 months, MERV 16 every year. If you have pets it is recommended that you check your filter monthly because having pets tends to send more particulates into the air. For optimal filter performance schedule a duct cleaning every 5-7 years; it will do wonders to a cleaner, longer lasting, and much more efficient filter.

At our office, we stock and carry common sized filters; we are also able to order in specialty sized filters. Feel free to stop by to purchase a filter or give us a call (360) 524-2880 to order one or a whole case.


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